package com.atguigu.gulimall.order.web;

import com.atguigu.common.exception.NoStockException;
import com.atguigu.gulimall.order.service.OrderService;
import com.atguigu.gulimall.order.vo.OrderConfirmVo;
import com.atguigu.gulimall.order.vo.OrderSubmitVo;
import com.atguigu.gulimall.order.vo.SubmitOrderResponseVo;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Controller;
import org.springframework.ui.Model;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.PostMapping;
import org.springframework.web.servlet.mvc.support.RedirectAttributes;

import java.util.concurrent.ExecutionException;

@Controller
public class OrderWebController {


    @Autowired
    OrderService orderService;

    /**
     * 去结算确认页
     *
     * @param model
     * @return
     * @throws ExecutionException
     * @throws InterruptedException
     */
    @GetMapping("/toTrade")
    public String toTrade(Model model) throws ExecutionException, InterruptedException {
        OrderConfirmVo confirmVo = orderService.confirmOrder();
        model.addAttribute("orderConfirmData", confirmVo);
        //展示订单确认的数据
        return "confirm";//跳转到订单确认页
    }

    /**
     * 结算确认页提交订单，下单功能
     */
    @PostMapping("/submitOrder")
    public String submitOrder(OrderSubmitVo vo, Model model, RedirectAttributes redirectAttributes) {

        String msg = "下单失败;";
        try {
            SubmitOrderResponseVo responseVo = orderService.submitOrder(vo);
            System.out.println("订单提交的所有数据: " + vo);
            if (responseVo.getCode() == 0) { //说明下单成功了
                //下单成功，就来到支付选择页
                model.addAttribute("submitOrderResp", responseVo);
                return "pay";
            } else {
//            String msg = "下单失败;";
                switch (responseVo.getCode()) {
                    case 1:
                        msg += "订单信息过期，请刷新再次提交";
                        break;
                    case 2:
                        msg += "订单商品价格发生变化，请确认后再次提交";
                        break;
//                case 3:
//                    msg += "库存锁定失败，商品库存不足";
//                    break;
                }
//            //如果下单失败就可以回到下单确认页，让用户重新确认下订单信息
//            redirectAttributes.addFlashAttribute("msg", msg);
//            return "redirect:http://order.gulimall.com/toTrade";
            }
        } catch (NoStockException noStockException) {
            msg += "库存锁定失败，商品库存不足";
        }
        //如果下单失败就可以回到下单确认页，让用户重新确认下订单信息
        redirectAttributes.addFlashAttribute("msg", msg);
        return "redirect:http://order.gulimall.com/toTrade";
    }
}
